you call that spelling or grammatical error?
 
the only phrase i've ever heard of that sounds even remotely similar to what you were saying was "boat load"
 
now how you get from boat to buck with a spelling or grammatical error is beyond me.
 
the oat and uck are nowhere near each other on the keyboard.
 
unless you were having a seizure, your dyslexia excuse doesnt work here.
		
		
	 
"bucket" loads of
noun1.a deep, cylindrical  vessel, usually of metal, plastic, or wood, with a flat bottom and a  semicircular bail, for collecting, carrying, or holding water, sand,  fruit, etc.; pail. 
 2.anything resembling or  suggesting this. 
 3.Machinery. a.any of the scoops attached  to or forming the endless chain in certain types of conveyors or  elevators. 
 b.the scoop or clamshell of a steam shovel, power shovel,  or dredge. 
 c.a vane or blade of a waterwheel, paddle wheel, water  turbine, or the like. 
 
 4.(in a dam) a concave  surface at the foot of a spillway for deflecting the downward flow of  water. 
 5.a bucketful: a bucket of sand.  
 6.Basketball.  a.Informal.  
field goal. 
  b.the part of the keyhole extending from the foul line to  the end line. 
 
 7.
bucket seat. 
  8.Bowling.  a leave of the two, four, five, and eight pins, or the three,  five, 
six, and nine  pins.
 
http://lmgtfy.com/?q="bucket+loads+of"